src/share/demo/applets/SimpleGraph/GraphApplet.java

/*
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 *
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 *
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 *     documentation and/or other materials provided with the distribution.
 *
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 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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/*
 */

import java.awt.Graphics;

public class GraphApplet extends java.applet.Applet {
    double f(double x) {
        return (Math.cos(x/5) + Math.sin(x/7) + 2) * getSize().height / 4;
    }

    public void paint(Graphics g) {
        for (int x = 0 ; x < getSize().width ; x++) {
            g.drawLine(x, (int)f(x), x + 1, (int)f(x + 1));
        }
    }
  public String getAppletInfo() {
    return "Draws a sin graph.";
  }
}